Delta DVP-EX2

3. Instruction Set
3-367
ASCII mode (COM3: M1320 = OFF, COM1: M1139 = OFF):
When X0 = ON, MODRW instruction executes the function specified by Function Code 03
PLC  VFD-B, PLC sends: “01 03 2100 0006 D5”
VFD-B  PLC, PLC receives: “01 03 0C 0100 1766 0000 0000 0136 0000 3B”
Registers for received data (responding messages)
Register
Data
Descriptions
D0 0100 H
PLC converts ASCII codes in 2100 H and stores the converted
data automatically.
D1 1766 H
PLC converts ASCII codes in 2101 H and stores the converted
data automatically.
D2 0000 H
PLC converts ASCII codes in 2102 H and stores the converted
data automatically.
D3 0000 H
PLC converts ASCII codes in 2103 H and stores the converted
data automatically.
D4 0136 H
PLC converts ASCII codes in 2104 H and stores the converted
data automatically.
D5 0000 H
PLC converts ASCII codes in 2105 H and stores the converted
data automatically.
RTU mode (COM3: M1320 = ON COM1: M1139 = ON):
When X0 = ON, MODRW instruction executes the function specified by Function Code 03
PLC  VFD-B, PLC sends: ” 01 03 2100 0006 CF F4”
VFD-B  PLC, PLC receives: “01 03 0C 0000 0503 0BB8 0BB8 0000 012D 8E C5”
Registers for received data (responding messages)
Register
Data
Descriptions
D0 0000 H
PLC converts data in 2100 H and stores the converted data
automatically.
D1 0503 H
PLC converts data in 2101 H and stores the converted data
automatically.
D2 0BB8 H
PLC converts data in 2102 H and stores the converted data
automatically.
D3 0BB8 H
PLC converts data in 2103 H and stores the converted data
automatically.
D4 0136 H
PLC converts data in 2104 H and stores the converted data
automatically.
D5 012D H
PLC converts data in 2105 H and stores the converted data
automatically.